*{
    padding: 0;
    margin: 0;
    list-style: none;
}
.about_bg{
    width: 100%;
    /* height: 540px; */
    padding: 100px 0;
    background: url(../images/ab_bg.jpg) center top no-repeat;
position: relative;
}
.about_m{
    width: 1100px;
    height: 500px;
    margin: auto;
 
}
.about_m .about_m_l{
    width: 580px;
    height: 350px;
    padding-top: 40px;
}
.about_m .about_m_l h3{
    font-size: 30px;
    color: #212121;
    font-weight: normal;
    padding-bottom: 50px;
}
.about_m .about_m_l p{
    font-size: 16px;
    color: #666666;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 30px;
   
}
.about_m .about_m_l a{
    margin-top: 60px;
    display: block;
    width: 170px;
    text-align: center;
    text-decoration: none;
    color: #ffffff;
    border: 1px solid #ffffff;
    padding: 10px;
    border-radius: 40px;
}
.about_m_l a:hover{
    background: #b30303;
    border: 1px solid #b30303;
    transition: all 0.8s;
}
.about_m .about_m_z{
    width: 1100px;
    height: 200px;
    background: #ffffff;
    border: 1px solid #999999;
    position: absolute;
    bottom: -100px;
}
.about_m .about_m_z .mm{
    width: 1100px;
    height: 113px;

margin-top: 40px;
float: left;

}
.about_m .about_m_z .mm ul  li{
    width: 219px;
    height: 113px;
  text-align: center;
  float: left;

  border-right: 1px solid #d3cfcf;
  position: relative;
}
.about_m .about_m_z .mm ul li p{
    font-size: 14px;
    color: #333333;
 
}
.about_m .about_m_z .mm ul li p span{
    font-size: 70px;
    font-weight: bold;
    color: #D7000F;
}
.about_m .about_m_z .mm ul li p sup{
    font-size: 30px;
    color: #D7000F;

    position: absolute;
    top: 0;
    left: 190px;
}
.zhici_bg{
    width: 100%;
    background: url(../images/bg-img04.jpg) center top no-repeat;

}
.zhici_m{
    width: 1100px;
    height: 700px;
    margin: auto;
   padding-top: 200px;

}
.zhici_m h3{
    font-size: 32px;
    color: #212121;
    text-align: center;
    font-weight: normal;
    padding-bottom: 30px;
}
.zhici_m p{
    width: 800px;
    margin: auto;
    color: #666666;
    font-size: 14px;
    margin-top: 30px;
    line-height: 30px;
}
.zhici_m h5{
   
    float: right;
    margin-right: 160px;
    color: #666666;
    font-size: 14px;
    font-weight: normal;
}

.dang_m{
    width: 1100px;
    height: 400px;
    margin: auto;
}
.dang_m ul li{
    width: 520px;
    height: 150px;
    border: 2px solid #d3d0d0;
    margin-right: 52px;
    margin-top: 125px;
    float: left;
    position: relative;
}
.dang_m ul li:nth-child(2){
  margin-right: 0;
}
.dang_m ul li a{
    font-size: 24px;
    color: #464646;
    text-decoration: none;
    z-index: 1;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.dang_m ul li img{
    width: 520px;
    height: 150px;
    position: absolute;
    top: 0;
    left: 0;
}
.dang_m ul li .line{
    width: 0px;
  
    left: 50%;
     background: #D7000F;
    position: absolute;
    transition: all 0.7s;
  
}
.dang_m ul li:hover .line{
    width: 524px;
    height: 2px;
    bottom: -2px;
    left: -2px;
}
